{{define "cha02/user_info.html"}}
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    这是user_info页面 <br>
    {{.Id}}<br>
    {{.Name}}<br>
    {{.Age}}<br>
    {{.Addr}}<br>
    </body>
    </html>
{{end}}